Add workspaces

[tim-blackbird]

Workspaces are predefined window layouts. Each Workspace consists of a set of panes, and is geared towards a specific task such as editing scenes, or configuring assets.

References

• https://docs.blender.org/manual/en/latest/interface/window_system/workspaces.html
• https://help.autodesk.com/view/MAYAUL/2022/ENU/?guid=GUID-0384C282-3CA1-4587-9775-F7164D3F6980